Ключевые слова: background, blank, bright, bulb, concept, creative, design, drawing, ecology, electric, electrical, electricity, energy, equipment, filament, flat, glass, glow, glowing, graphic, hang, icon, idea, illuminated, illumination, illustration, innovation, inspiration, invention, isolated, lamp, light, light bulb, line, orange, power, realistic, reflection, regular, set, shine, switched, symbol, technology, think, watt, yellow,